Initial work on a new <view> element backed by a mojo::View.

sky/engine/web/FrameLoaderClientImpl.cpp

Index: sky/engine/web/FrameLoaderClientImpl.cpp
diff --git a/sky/engine/web/FrameLoaderClientImpl.cpp b/sky/engine/web/FrameLoaderClientImpl.cpp
index 06740dcdb2e03078aa9d0ebc500115485d37c425..a8edd08dc811bf34bfd8c1b58cb7dd373e4748fd 100644
--- a/sky/engine/web/FrameLoaderClientImpl.cpp
+++ b/sky/engine/web/FrameLoaderClientImpl.cpp
@@ -37,6 +37,7 @@
 #include "core/events/MouseEvent.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
+#include "core/html/HTMLViewElement.h"
 #include "core/page/Chrome.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Page.h"
@@ -250,6 +251,17 @@ void FrameLoaderClientImpl::loadURLExternally(const ResourceRequest& request, Na
     }
 }
 
+void FrameLoaderClientImpl::createView(const KURL& url, HTMLViewElement* ownerElement)
+{
+    if (m_webFrame->client()) {
+        WebRect bounds(ownerElement->offsetLeft(),
+                       ownerElement->offsetTop(),
+                       ownerElement->offsetWidth(),
+                       ownerElement->offsetHeight());

[esprehn, 2014/11/06 22:40:28]

You want clientLeft etc. not offset, your size doesn't respect padding.

[abarth-chromium, 2014/11/06 22:55:07]

Don't we need to wait until layout happens before this information is available?
 As written, this will cause a layout in the middle of constructing the DOM.

[Matt Perry, 2014/11/06 23:38:50]

Done.

+        m_webFrame->client()->createChildView(url, bounds);
+    }
+}
+
 void FrameLoaderClientImpl::selectorMatchChanged(const Vector<String>& addedSelectors, const Vector<String>& removedSelectors)
 {
     if (WebFrameClient* client = m_webFrame->client())